Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The oldest recorded elephant lived for 82 years.
213
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Alligators can live up to 100 years.
337
Ants tend to survive in a microwave because they find the coolest spot and wait!
17